Agilent/Keysight 34520B

The Agilent/Keysight 34520B is a 6.5-digit digital multimeter module engineered for integration into the HP 3235 Switch/Test Unit mainframe. It delivers high-accuracy measurements across DC voltage, AC voltage, DC current, AC current, resistance, frequency, and period for research, development, and manufacturing environments.

– Technical Specifications

• Measurement Functions: DC voltage, AC voltage, DC current, AC current, resistance, frequency, period
• Frequency Range (Voltage Input): 10 Hz to 1.5 MHz
• Frequency Range (Current Input): 10 Hz to 100 kHz
• Period Range (Voltage Input): 0.1 s to 667 ns
• Period Range (Current Input): 0.1 s to 3.33 µs
• AC Voltage Bandwidth: 20 Hz to 1 MHz
• AC Current Bandwidth: 20 Hz to 100 kHz
• Sensitivity: 10 mVrms or 100 µArms (sinewave)
• Crest Factor: 3.5:1 at full scale
• Noise Suppression (Guarded Mode): Greater than 86 dB
• Noise Suppression (Non-Guarded Mode): Greater than 66 dB

– Key Features

• Guarded and non-guarded measurement modes for flexible noise rejection
• Zero-crossing triggering and counting for frequency and period measurements
• Dual-mode sensitivity supports both voltage and current signal detection

– Typical Applications

The 34520B serves automated test equipment (ATE) systems requiring integrated measurement modules with minimal external cabling and straightforward system configuration.

– Compatibility & Integration

Designed exclusively for modular integration into the HP 3235 Switch/Test Unit mainframe. System connectivity leverages standard interfaces managed through Keysight’s IO Libraries Suite. Keysight calibration services are available to verify performance against traceable standards and maintain specification compliance.